Overview:Cartoon introduction: The lively and lovely SHARK (shark) gives people aura, freedom, goodwill and friendship, and high emotional intelligence. The mighty DRAGON (dinosaur) king style; smart aunt, can find friends; small Teddy is cute everywhere, strong affinity. Shark dragon Fox teddy bear They are good friends.It is compatible with children's mountain and road bikes.It has good vents and good protection, so it is designed for endurance athletes and children.Release the EPS from the impact of the internal system. We use aramid yarn to increase the strengthNote:The color of the item may differ slightly from the picture due to differences in lighting and screen settings.Please allow for slight size differences due to different manual measurementsSpecifications:Dimensions (approx.): S (50-54 cm / 19.69 inches)Material: (case) imported green PC material (main body) imported EPS foamProduct packaging size and weight:S code single color box: 30X23X18.5MMM code single color box: 32X23X21MMFeatures:Size:S: head circumference 50-54cmM: head circumference 54-58cmPackage Content:1 x helmet